@font-face {
	font-family: 'REGULAR';
	src: url('../font/SOURCEHANSANSCN-REGULAR.OTF');
}

@font-face {
	font-family: 'alibaba';
	src: url('../font/Alibaba-PuHuiTi-Regular.ttf');
}

@font-face {
	font-family: 'roman';
	src: url('../font/aldine721btroman.ttf');
}

* {
	margin: 0;
	padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	font-style: normal;
	font-size: 100%;
	font-weight: normal;
}

li {
	list-style-type: none;
}

a {
	text-decoration: none;
	color: #333333;
}

body {
	min-width: 1200px;
	max-width: 1920px;
	margin: 0 auto;
	color: #333333;
	font-size: 18px;
	font-family: 'REGULAR';
}

img {
	border: 0;
}

.clear {
	clear: both;
}

.no {
	display: none;
}

.img {
	display: block;
	width: 100%;
}

.box {
	width: 1200px;
	margin: 0 auto;
}

.box1 {
	width: 83.333%;
	min-width: 1200px;
	margin: 0 auto;
}

.over {
	overflow: hidden
}

.border {
	box-sizing: border-box;
	-moz-box-sizing: border-box;
	/* Firefox */
	-webkit-box-sizing: border-box;
}



.nav {
	position: fixed;
	left: 0;
	right: 0;
	top: 0;
	z-index: 9999;
	height: 176px;
	min-width: 1200px;
	background: url(../images/nav_bg.jpg) no-repeat center bottom;
}

.nav_bg {
	position: fixed;
	left: 580px;
	top: 110px;
}


.boxlf {
	float: left;
	margin-top: 28px;

}

.boxlr_t {
	overflow: hidden;
}

.boxlr_t {
	margin-left: 60px;
	width: 850px;
}

.boxlr_tlr {
	float: right;
	margin-top: 35px;
	/* margin-left: 300px; */
}

.boxlr_tlf {
	float: left;
}

.boxlr_tlr_lf {
	float: left;
}
.boxlr_tlf01 {
	font-size: 19px;
	color: #172d79;
	font-weight: 300;
	letter-spacing: 9.4px;
	margin-top: 28px;
	line-height: 18px;
}

.boxlr_tlf012 {
	font-size: 21px;
	font-weight: 600;
	color: #172d79;
	line-height: 22px;
	margin-top: 8px;
}

.boxlr {
	float: left;

}

.boxlr_tlr_lr {
	float: left;
	margin-left: 5px;
}

.boxlr_tlr_lr_phone {
	width: 205px;
	color: #172d79;
	font-size: 24.04px;
	font-weight: 700;
	line-height: 24.04px;
	margin-top: 2px;
}

.nav a {
	font-family: 'REGULAR';
}

.boxlr_b {
	margin-top: 35px;
	margin-left: 60px;
	width: 863px;
}

.boxlr_b .boxlr_bc {
	width: 73px;
	height: 40px;
	float: left;
	text-align: center;
	line-height: 40px;
	margin-right: 77px;

}

.boxlr_bc:last-child {
	margin-right: 40px;
}

.boxlr_b .boxlr_bc a {
	font-size: 16px;
	color: #fff;
}

.boxlr_b .active {
	border-bottom: 3px solid #fff;
}

.banner {
	width: 100%;
	height: 353px;
	background: url(../images/about/about_banner.jpg) no-repeat center bottom;
	margin-top: 176px;
}

.navigation_bar {
	width: 100%;
	height: 60px;
	border-bottom: 1px solid #eaeaea;
}

.navigation_bar_img {
	float: left;
	width: 64px;
	height: 60px;
	border-left: 1px solid #eaeaea;
	border-right: 1px solid #eaeaea;
	text-align: center;
	line-height: 60px;
}

.navigation_bar_main {
	font-size: 14px;
	color: #222222;
	float: left;
	line-height: 60px;
	margin-left: 18px;
}

.cont1_t {
	padding-top: 40px;
	font-size: 38px;
	color: #333333;
	text-align: center;
}

.cont1_c {
	font-size: 18px;
	color: #555555;
	line-height: 50px;
}

.cont2 {
	width: 100%;
	height: 550px;
	background-color: #003399;
}

.cont2_t {
	font-size: 38px;
	color: #fff;
	text-align: center;
	padding-top: 70px;
}

.cont2_c {
	position: relative;
}

.cont2_c .swiper {
	width: 70%;
	height: 370px;
	position: relative;
}


.cont2_c .swiper-slide {
	text-align: center;
	font-size: 18px;
	background: #fff;

	/* Center slide text vertically */
	display: -webkit-box;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	-webkit-box-pack: center;
	-ms-flex-pack: center;
	-webkit-justify-content: center;
	justify-content: center;
	-webkit-box-align: center;
	-ms-flex-align: center;
	-webkit-align-items: center;
	align-items: center;
	background: none;
}

.cont2_c .swiper-slide img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.cont2_c .swiper-button-prev {
	position: absolute;
	top: 50%;
	left: 80px;
	width: 44px;
	height: 44px;
	background: url(../images/about/sw_lf.png);
}

.cont2_c .swiper-button-next {
	position: absolute;
	top: 50%;
	right: 80px;
	width: 44px;
	height: 44px;
	background: url(../images/about/sw_lr.png);
}

.cont2_lr {
	color: #fff;
	font-size: 14px;
	position: absolute;
	bottom: 0;
	width: 216px;
	left: -10px;
}

.cont3 {
	width: 100%;
	height: 760px;
	background: #f7f7f7;
}

.cont3_t {
	font-size: 38px;
	color: #333333;
	text-align: center;
	padding-top: 75px;
	margin-bottom: 50px;
}

.cont3_c {
	height: 530px;
}

.cont3_c .swiper {
	width: 100%;
	padding-bottom: 50px;
	height: 500px;
}

.des {
	text-align: center;
	font-size: 18px;
	color: #333333;
	margin-top: 10px;
	display: none;
}

.cont3_c .swiper-slide-active .des {
	display: block;
}

.cont3_c .swiper-slide {
	background-position: center;
	background-size: cover;
	width: 300px;
	height: 300px;
}

.cont3_c .swiper-slide .swiper-slideimg {
	width: 576px;
	height: 432px;
	position: relative;
}

.cont3_c .swiper-slide .swiper-slideimg .mask {
	position: absolute;
	left: 0;
	top: 0;
	width: 576px;
	height: 432px;
	background: rgba(255, 255, 255, 0.5);

}

.cont3_c .swiper-slide-active .mask {
	display: none;
}

.cont3_c .swiper-slide img {
	display: block;
	width: 100%;

}

.cont3_c .swiper-slide {
	width: 576px !important;
}

.cont3_c .swiper-pagination {
	bottom: 40px !important;
}

.cont4 {
	width: 100%;
	height: 1000px;
	background-color: #fff;
}

.cont4_t {
	margin-bottom: 25px;
	overflow: hidden;
}

.cont4_t01 {
	float: left;
	width: 383px;
	height: 284px;
	margin-right: 25px;
}

.cont4_t01:nth-child(3) {
	margin-right: 0;
}

.cont4_blf {
	float: left;
}

.cont4_blr {
	float: right;
}


.dibu {
	width: 100%;
	height: 294px;
	background: url(../images/dibu_bg.jpg) no-repeat center top;
}

.dibu01 {
	padding-top: 95px;
	overflow: hidden;
}

.dibu01lf {
	float: left;
}

.dibu01lr {
	float: left;
	font-size: 16px;
	color: #fff;
	margin-left: 10px;
}

.dibulf {
	float: left;
}

.dibulr {
	float: right;
	margin-top: 82px;
	margin-right: 30px;
}

.dibulrimg {
	width: 131px;
	height: 131px;
}

.dibulrb {
	width: 131px;
	text-align: center;
	font-size: 16px;
	color: #fff;
	margin-top: 5px;
}

.dibu_b {
	width: 100%;
	height: 78px;
	background: #0a35b1;

}

.dibu_b_lf {
	float: left;
	margin-right: 70px;
	font-size: 14px;
	color: #fff;
	line-height: 78px;
}

.dibu_b_lm {
	float: left;
	font-size: 14px;
	color: #fff;
	line-height: 78px;
}

.dibu_b_lr {
	float: right;
	font-size: 14px;
	color: #fff;
	line-height: 78px;
}